226 SALTS. 72. Vitriolum. , 



Sehisii. Mixed with fhift, its watery folution made black by 2 

 mixture of tin£lure of galls. 



Found in Franconia, and originates in decayed pyrites, « 



Turf a. Mixed with turf, its watery folution made blackilh by a 

 mixture of tinture of galls. 



Cronft. mineral, /e3*z%Z. 2- 2. I>. 



Found in feme bogs in S'zvedent Saxony ^ PruJJlay and France: 

 it never burns with a flame. 



